Air purifier



FIG. 1 is a front and top perspective view of an air purifier, showingour new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The areas and broken lines within them which are visible through the topin FIG. 6, and within the circular features on the sides of the articledepict portions of the air purifier that form no part of the claimeddesign. All other broken lines and areas within them depict features ofthe air purifier that form no part of the claimed design.

CLAIM The ornamental design for an air purifier, as shown and described.